The DOI matches its Crossref record.
The Computer for the 21st Century
Abstract
[This article is unavailable due to copyright restrictions.] Specialized elements of hardware and software, connected by wires, radio waves and infrared, will soon be so ubiquitous that no-one will notice their presence.
Overview
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
In the citing paper
“In a prophetic 1991 paper, Weiser introduced the idea of ubiquitous technology, and stated that “the most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it” (p. 94). Since 2007, this prophecy has been realized; digital technology is inextricably woven “into the fabric of everyday life.””
From Technologizing Bronfenbrenner: Neo-ecological Theory. (2023) · cites this paper as Weiser, 1991
Citations
Cites
Still being checked.
Cited by
Sorted by citations
Items 801–900 of 1,015
Cowley, S. J., & Vallée‐Tourangeau, F. (2013) · Springer eBooks · doi:10.1007/978-1-4471-5125-8 · Cited by 73
Trust models and theories in human–computer interaction: A systematic literature review
Gulati, S., McDonagh, J., Sousa, S., & Lamas, D. (2024) · Computers in Human Behavior Reports · doi:10.1016/j.chbr.2024.100495 · Cited by 83
Marinagi, C. C., Skourlas, C., & Belsis, P. (2013) · Procedia - Social and Behavioral Sciences · doi:10.1016/j.sbspro.2013.02.081 · Cited by 73
Beyond the Repertory Grid: New Approaches to Constructivist Knowledge Acquisition Tool Development
Bradshaw, J. M., Ford, K. M., Adams-Webber, J. R., & Boose, J. H. (1993) · International Journal of Intelligent Systems · doi:10.1002/j.1098-111x.1993.tb00007.x · Cited by 73
The Smart Home meets the Web of Things
Kamilaris, A., Pitsillides, A., & Trifa, V. (2011) · International Journal of Ad Hoc and Ubiquitous Computing · doi:10.1504/ijahuc.2011.040115 · Cited by 73
The Fourth Wave of Digitalization and Public Transport: Opportunities and Challenges
Davidsson, P., Hajinasab, B., Holmgren, J., Jevinger, Å., & Persson, J. (2016) · Sustainability · doi:10.3390/su8121248 · Cited by 73
Technological Environmentality: Conceptualizing Technology as a Mediating Milieu
Aydin, C., Woge, M. G., & Verbeek, P. (2018) · Philosophy & Technology · doi:10.1007/s13347-018-0309-3 · Cited by 73
Proximal Interactions: A Direct Manipulation Technique for Wireless Networking
Rekimoto, J., Ayatsuka, Y., Kohno, M., & Oba, H. (2003) · Cited by 73
A systematic approach to the design of distributed wearable systems
Anliker, U., Beutel, J., Dyer, M., Enzler, R., Lukowicz, P., Thiele, L., & Tröster, G. (2004) · IEEE Transactions on Computers · doi:10.1109/tc.2004.36 · Cited by 73
Security for 5G Communications
Μαντάς, Γ., Komninos, N., Rodrı́guez, J., Logota, E., & Marques, H. (2015) · Wiley eBooks · doi:10.1002/9781118867464.ch9 · Cited by 73
Replisom: Disciplined Tiny Memory Replication for Massive IoT Devices in LTE Edge Cloud
Abdelwahab, S., Hamdaoui, B., Guizani, M., & Znati, T. F. (2015) · IEEE Internet of Things Journal · doi:10.1109/jiot.2015.2497263 · Cited by 72
Strategies for Reflexive Ethnography in the Smart Home: Autoethnography of Silence and Emotion
Hine, C. (2019) · Sociology · doi:10.1177/0038038519855325 · Cited by 72
Red Giants or Black Holes? The Antecedent Conditions and Multilevel Impacts of Star Performers
Asgari, E., Hunt, R. A., Lerner, D. A., Townsend, D. M., Hayward, M. L. A., & Kiefer, K. (2020) · Academy of Management Annals · doi:10.5465/annals.2019.0061 · Cited by 72
PLAKE: PUF-Based Secure Lightweight Authentication and Key Exchange Protocol for IoT
Roy, S., Das, D., Mondal, A., Mahalat, M. H., Sen, B., & Sikdar, B. (2022) · IEEE Internet of Things Journal · doi:10.1109/jiot.2022.3202265 · Cited by 72
Factors influencing users’ employment of mobile map services
Park, E., & Ohm, J. Y. (2013) · Telematics and Informatics · doi:10.1016/j.tele.2013.07.002 · Cited by 72
Towards guidelines for designing augmented toy environments
Hinske, S., Langheinrich, M., & Lampe, M. (2008) · Designing Interactive Systems Conference · doi:10.1145/1394445.1394454 · Cited by 75
A Smart Service Model Based on Ubiquitous Sensor Networks Using Vertical Farm Ontology
Sivamani, S., Bae, N.-J., & Cho, Y. (2013) · International Journal of Distributed Sensor Networks · doi:10.1155/2013/161495 · Cited by 72
Tissenbaum, M., & Slotta, J. D. (2019) · Instructional Science · doi:10.1007/s11251-019-09486-1 · Cited by 75
A Machine Learning-Based Lightweight Intrusion Detection System for the Internet of Things
Fenanir, S., Semchedine, F., & Baadache, A. (2019) · Revue d intelligence artificielle · doi:10.18280/ria.330306 · Cited by 71
Context awareness in mobile computing: A review
Musumba, G., & Nyongesa, H. O. (2013) · International Journal of Machine Learning and Applications · doi:10.4102/ijmla.v2i1.5 · Cited by 71
Cooperation of distributed intelligent sensors in intelligent environment
Lee, J., Morioka, K., Ando, N., & Hashimoto, H. (2004) · IEEE/ASME Transactions on Mechatronics · doi:10.1109/tmech.2004.834655 · Cited by 71
Defeasible Contextual Reasoning with Arguments in Ambient Intelligence
Bikakis, A., & Antoniou, G. (2010) · IEEE Transactions on Knowledge and Data Engineering · doi:10.1109/tkde.2010.37 · Cited by 71
Imagineering an Internet of Anything
Bojanova, I., Hurlburt, G. F., & Voas, J. M. (2014) · Computer · doi:10.1109/mc.2014.150 · Cited by 71
Data Management within mHealth Environments
O’Donoghue, J., & Herbert, J. J. (2012) · Journal of Data and Information Quality · doi:10.1145/2378016.2378021 · Cited by 71
Beyond Weiser: From Ubiquitous to Collective Computing
Abowd, G. D. (2016) · Computer · doi:10.1109/mc.2016.22 · Cited by 71
Classifying Pervasive Games: On Pervasive Computing and Mixed Reality
Hinske, S., Lampe, M., Magerkurth, C., & Röcker, C. (2007) · Cited by 71
From Tool to Partner: The Evolution of Human-Computer Interaction
Grudin, J. T. (2016) · Synthesis lectures on human-centered informatics · doi:10.2200/s00745ed1v01y201612hci035 · Cited by 74
Agent based middleware infrastructure for autonomous context-aware ubiquitous computing services
Soldatos, J. K., Pandis, I., Stamatis, K., Polymenakos, L., & Crowley, J. L. (2006) · Computer Communications · doi:10.1016/j.comcom.2005.11.018 · Cited by 71
Living in a smart environment implications for the coming ubiquitous information society
Coroamă, V. C., Bohn, J., & Mattern, F. (2005) · Conference proceedings/Conference proceedings - IEEE International Conference on Systems, Man, and Cybernetics · doi:10.1109/icsmc.2004.1401091 · Cited by 71
Living with Uncertainty in the Age of Runtime Models
Giese, H., Bencomo, N., Pasquale, L., Ramirez, A. J., Inverardi, P., Wätzoldt, S., & Clarke, S. (2014) · Lecture notes in computer science · doi:10.1007/978-3-319-08915-7_3 · Cited by 70
Examining Trust, Forgiveness and Regret as Computational Concepts
Marsh, S., & Briggs, P. (2009) · Human-computer interaction series · doi:10.1007/978-1-84800-356-9_2 · Cited by 70
Survey on context-awareness in ubiquitous media
Zhang, D., Huang, H., Lai, C., Liang, X., Zou, Q., & Guo, M. (2011) · Multimedia Tools and Applications · doi:10.1007/s11042-011-0940-9 · Cited by 70
Ni, T., & Baudisch, P. (2009) · ACM Symposium on User Interface Software and Technology (UIST) · doi:10.1145/1622176.1622197 · Cited by 70
Advanced Interaction Techniques for Augmented Reality Applications
Billinghurst, M., Kato, H., & Myojin, S. (2009) · Lecture notes in computer science · doi:10.1007/978-3-642-02771-0_2 · Cited by 70
Putting Haptics into the Ambience
MacLean, K. E. (2009) · IEEE Transactions on Haptics · doi:10.1109/toh.2009.33 · Cited by 72
Augmenting Human Intellect and Amplifying Perception and Cognition
Schmidt, A. (2017) · IEEE Pervasive Computing · doi:10.1109/mprv.2017.8 · Cited by 70
Customisation for ubiquitous web applications: a comparison of approaches
Kappel, G., Pröll, B., Retschitzegger, W., & Schwinger, W. (2003) · International Journal of Web Engineering and Technology · doi:10.1504/ijwet.2003.003322 · Cited by 70
Websigns: hyperlinking physical locations to the Web
Pradhan, S., Brignone, C., Cui, J., McReynolds, A., & Smith, M. T. (2001) · Computer · doi:10.1109/2.940012 · Cited by 70
WComp middleware for ubiquitous computing: Aspects and composite event-based Web services
Tigli, J., Lavirotte, S., Rey, G., Hourdin, V., Cheung-Foo-Wo, D., Callegari, E., & Riveill, M. (2009) · Annals of Telecommunications · doi:10.1007/s12243-008-0081-y · Cited by 69
Internet of Tangible Things (IoTT): Challenges and Opportunities for Tangible Interaction with IoT
Angelini, L., Mugellini, E., Khaled, O. A., & Couture, N. (2018) · Informatics · doi:10.3390/informatics5010007 · Cited by 69
Hybrid Meetings in the Modern Workplace: Stories of Success and Failure
Saatçi, B., Rädle, R., Rintel, S., O'Hara, K. P., & Klokmose, C. N. (2019) · Lecture notes in computer science · doi:10.1007/978-3-030-28011-6_4 · Cited by 69
AmbientTalk: Object-oriented Event-driven Programming in Mobile Ad hoc Networks
Cutsem, T. V., Mostinckx, S., Boix, E. G., Dedecker, J., & Meuter, W. D. (2007) · International Conference of the Chilean Computer Science Society (SCCC) · doi:10.1109/sccc.2007.12 · Cited by 69
Aprender y enseñar con las TIC : expectativas, realidad y potencialidades
Salvador, C. C. (2008) · LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) · Cited by 69
Cheverst, K., Byun, H. E., Fitton, D., Sas, C., Kray, C., & Villar, N. (2005) · User Modeling and User-Adapted Interaction · doi:10.1007/s11257-005-1269-8 · Cited by 69
Human Activity Recognition with Wearable Sensors
Huynh, D. T. G. (2008) · Technischen Universität Darmstadt · doi:10.26083/tuprints-00001132 · Cited by 69
Slice&Dice: Recognizing Food Preparation Activities Using Embedded Accelerometers
Pham, C., & Olivier, P. L. (2009) · Lecture notes in computer science · doi:10.1007/978-3-642-05408-2_4 · Cited by 68
Instrumental action: the timely exchange of implements during surgical operations
Svensson, M., Heath, C., & Luff, P. (2007) · Springer eBooks · doi:10.1007/978-1-84800-031-5_3 · Cited by 68
Resatsch, F., Sandner, U., Leimeister, J. M., & Krcmar, H. (2008) · Electronic Markets · doi:10.1080/10196780802265728 · Cited by 68
Nomadic Culture: Cultural Support for Working Anytime, Anywhere
Chen, L., & Nath, R. (2005) · Information Systems Management · doi:10.1201/1078.10580530/45520.22.4.20050901/90030.6 · Cited by 68
Activity-based prototyping of ubicomp applications for long-lived, everyday human activities
Li, Y., & Landay, J. A. (2008) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/1357054.1357259 · Cited by 70
Pervasive Service Composition in the Home Network
Bottaro, A., Gérodolle, A., & Lalanda, P. (2007) · International Conference on Advanced Information Networking and Applications (AINA) · doi:10.1109/aina.2007.112 · Cited by 68
Jetter, H.-C., Rädle, R., Feuchtner, T., Anthes, C., Friedl-Knirsch, J., & Klokmose, C. N. (2020) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/3313831.3376652 · Cited by 68
User requirements for intelligent home environments
Röcker, C., Janse, M. D., Portolan, N., & Streitz, N. (2005) · doi:10.1145/1107548.1107581 · Cited by 68
Mobile next-generation networks
Huber, J. F. (2004) · IEEE Multimedia · doi:10.1109/mmul.2004.1261110 · Cited by 68
Hindmarsh, J., Heath, C., Lehn, D. V., & Cleverly, J. (2002) · ACM Conference on Computer Supported Cooperative Work (CSCW) · doi:10.1145/587078.587101 · Cited by 68
Supporting mobility in MosquitoNet
Baker, M. G., Zhao, X., Cheshire, S., & Stone, J. M. (1996) · Cited by 68
Guest Editorial: Special Section on Mobile and Ubiquitous Technologies for Learning
Sharples, M., & Roschelle, J. (2010) · IEEE Transactions on Learning Technologies · doi:10.1109/tlt.2010.7 · Cited by 68
Design and Realization of a Framework for Human–System Interaction in Smart Homes
Wu, C.-L., & Fu, L. (2011) · IEEE Transactions on Systems Man and Cybernetics - Part A Systems and Humans · doi:10.1109/tsmca.2011.2159584 · Cited by 67
Spatially-aware or Spatially-agnostic?
Rädle, R., Jetter, H.-C., Schreiner, M., Lu, Z., Reiterer, H., & Rogers, Y. (2015) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/2702123.2702287 · Cited by 67
Landaluce, H., Perallos, A., Onieva, E., Arjona, L., & Bengtsson, L. (2016) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2016.2537800 · Cited by 67
Web-Based Education: Learning from Experience
Aggarwal, A. (2003) · Medical Entomology and Zoology · Cited by 67
A comprehensive review of nature inspired routing algorithms for fixed telecommunication networks
Wedde, H. F., & Farooq, M. (2006) · Journal of Systems Architecture · doi:10.1016/j.sysarc.2006.02.005 · Cited by 67
Intelligent wireless web services for construction—A review of the enabling technologies
Aziz, Z., Anumba, D. O. C., Ruikar, D., Carrillo, P. M., & Bouchlaghem, D. M. (2005) · Automation in Construction · doi:10.1016/j.autcon.2005.03.002 · Cited by 67
Várkonyi-Kóczy, A. R., & Tusor, B. (2011) · IEEE Transactions on Instrumentation and Measurement · doi:10.1109/tim.2011.2108075 · Cited by 67
Future of Human-Building Interaction
Alavi, H. S., Lalanne, D., Nembrini, J., Churchill, E. F., Kirk, D. S., & Moncur, W. (2016) · CHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA) · doi:10.1145/2851581.2856502 · Cited by 74
Context-Aware Intelligence in Resource-Constrained IoT Nodes: Opportunities and Challenges
Chatterjee, B., Cao, N., Raychowdhury, A., & Sen, S. (2019) · IEEE Design and Test · doi:10.1109/mdat.2019.2899334 · Cited by 67
Herrmann, C. A., Blume, S. A., Kurle, D., Schmidt, C., & Thiede, S. (2015) · Procedia CIRP · doi:10.1016/j.procir.2015.02.066 · Cited by 67
PEIS Ecology: integrating robots into smart environments
Broxvall, M., Gritti, M., Saffiotti, A., Seo, B.-S., & Cho, Y.-J. (2006) · Proceedings - IEEE International Conference on Robotics and Automation/Proceedings · doi:10.1109/robot.2006.1641186 · Cited by 67
Butler, P. M., Yang, J. F., Brown, R. Z., Hobbs, M., Becker, A., Penalver-Andres, J. A., Syz, P., Muller, S., Cosne, G., Juraver, A., et al. (2025) · Nature Medicine · doi:10.1038/s41591-024-03475-9 · Cited by 66
Distributed User Interface Elements to support Smart Interaction Spaces
Luyten, K., & Coninx, K. (2006) · IEEE International Symposium on Multimedia (ISM) · doi:10.1109/ism.2005.52 · Cited by 66
Su, N. M., & Mark, G. J. (2008) · Designing Interactive Systems Conference · doi:10.1145/1394445.1394478 · Cited by 66
Toward an execution system for self-healing workflows in cyber-physical systems
Seiger, R., Huber, S., & Schlegel, T. (2016) · Software & Systems Modeling · doi:10.1007/s10270-016-0551-z · Cited by 66
Data by Proxy — Material Traces as Autographic Visualizations
Offenhuber, D. (2019) · IEEE Transactions on Visualization and Computer Graphics · doi:10.1109/tvcg.2019.2934788 · Cited by 66
Seeing People in the Dark: Face Recognition in Infrared Images
Friedrich, G., & Yeshurun, Y. (2002) · Lecture notes in computer science · doi:10.1007/3-540-36181-2_35 · Cited by 66
Cheok, A. D., Fong, S. W., Goh, K. H., Yang, X., Liu, W., Farzbiz, F., & Li, Y. (2003) · Lecture notes in computer science · doi:10.1007/978-3-540-45233-1_16 · Cited by 66
Context-Aware Technology: A Phenomenological Perspective
Svanæs, D. (2001) · Human-Computer Interaction · doi:10.1207/s15327051hci16234_17 · Cited by 67
Interactively skimming recorded speech
Arons, B. M., & Schmandt, C. (1994) · DSpace@MIT (Massachusetts Institute of Technology) · Cited by 66
Machine Learning for anomaly detection in IoT networks :Malware analysis on the IoT-23 data set
Stoian, N. A. (2020) · Cited by 66
TrailCare: An indoor and outdoor Context-aware system to assist wheelchair users
Barbosa, J. L. V., Tavares, J. M. R. S., Cardoso, I. G., Alves, B., & Martini, B. (2018) · International Journal of Human-Computer Studies · doi:10.1016/j.ijhcs.2018.04.001 · Cited by 65
Park, S., Chung, K., & Jayaraman, S. (2014) · Elsevier eBooks · doi:10.1016/b978-0-12-418662-0.00001-5 · Cited by 65
New challenges for design participation in the era of ubiquitous computing
Brereton, M. F., & Buur, J. (2008) · CoDesign · doi:10.1080/15710880802098099 · Cited by 65
An Internet of Things Example: Classrooms Access Control over Near Field Communication
Palma, D. A. T., Agudo, J. E., Sánchez, H., & Macías, M. M. (2014) · Sensors · doi:10.3390/s140406998 · Cited by 65
Survey of requirements and solutions for ubiquitous software
Niemelä, E., & Latvakoski, J. (2004) · International Conference on Mobile and Ubiquitous Multimedia (MUM) · doi:10.1145/1052380.1052391 · Cited by 65
Marquardt, N., & Greenberg, S. (2015) · Synthesis lectures on human-centered informatics · doi:10.2200/s00619ed1v01y201502hci025 · Cited by 65
Augmented reality and ubiquitous computing: the hidden potentialities of augmented reality
Liberati, N. (2014) · AI & Society · doi:10.1007/s00146-014-0543-x · Cited by 65
Geography and computational social science
Torrens, P. M. (2010) · GeoJournal · doi:10.1007/s10708-010-9361-y · Cited by 70
Making infrastructure visible for nomadic work
Mark, G. J., & Su, N. M. (2010) · Pervasive and Mobile Computing · doi:10.1016/j.pmcj.2009.12.004 · Cited by 65
Context-Adaptive Privacy: Leveraging Context Awareness to Support Privacy Decision Making
Schaub, F., Könings, B., & Weber, M. (2015) · IEEE Pervasive Computing · doi:10.1109/mprv.2015.5 · Cited by 65
Building a Smart University Using RFID Technology
Aqeel-ur-Rehman, Abbasi, A. Z., & Shaikh, Z. A. (2008) · doi:10.1109/csse.2008.1528 · Cited by 65
Giordano, S., & Rosenberg, C. (2005) · IEEE Communications Magazine · doi:10.1109/mcom.2005.1404602 · Cited by 65
Marenko, B. (2014) · Design and Culture · doi:10.2752/175470814x14031924627185 · Cited by 71
Digital Media as a New Means of Mediation (Part One)
Rubtsova, O. V. (2019) · Cultural-Historical Psychology · doi:10.17759/chp.2019150312 · Cited by 65
Toward a Domain-Independent Semantic Model for Context-Aware Computing
Bulcão-Neto, R. F., & Pimentel, M. D. G. C. (2006) · Latin American Web Congress · doi:10.1109/laweb.2005.43 · Cited by 65
Space, Place and the Design of Technologically-Enhanced Physical Environments
Ciolfi, L., & Bannon, L. J. (2005) · Springer eBooks · doi:10.1007/1-4020-3273-0_15 · Cited by 65
Interactive scenarios?building ubiquitous computing concepts in the spirit of participatory design
Str�mberg, H., Pirttil�, V., & Ikonen, V. (2004) · Personal and Ubiquitous Computing · doi:10.1007/s00779-004-0278-7 · Cited by 65
Xie, W., & Karan, K. (2019) · Journal of Interactive Advertising · doi:10.1080/15252019.2019.1651681 · Cited by 64
Smart Classroom - an Intelligent Environment for Tele-education
Xie, W., Shi, Y., Xu, G., & Xie, D. (2001) · Lecture notes in computer science · doi:10.1007/3-540-45453-5_85 · Cited by 64
Staging Urban Interactions with Media Façades
Brynskov, M., Dalsgaard, P., Ebsen, T., Fritsch, J., Halskov, K., & Nielsen, R. (2009) · Lecture notes in computer science · doi:10.1007/978-3-642-03655-2_20 · Cited by 64
Internet of Things and Co-creation of Value
Mejtoft, T. (2011) · IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData) · doi:10.1109/ithings/cpscom.2011.75 · Cited by 64
EnsemBlue: integrating distributed storage and consumer electronics
Peek, D., & Flinn, J. (2006) · doi:10.5555/1298455.1298477 · Cited by 64
Metadata
- Authors
- Weiser, M.
- Corresponding author
- Weiser, Mark
- Venue
- Scientific American
- Published
- 1991-09
- Volume
- 265
- Issue
- 3
- Pages
- 94-104
- ISSN
- 0036-8733 (ISSN-L)
- OpenAlex
- W1647826363
- Cited by
- 10,017
- References
- 0
- Citations by year
- 2026: 113 · 2025: 142 · 2024: 131 · 2023: 141 · 2022: 189 · 2021: 253 · 2020: 272 · 2019: 278 · 2018: 347 · 2017: 379 · 2016: 402 · 2015: 509 · 2014: 486 · 2013: 558 · 2012: 588
- FWCI
- 192.94
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Scientific American (publishedVersion)
- IEEE Pervasive Computing (publishedVersion)
- Human-Computer Interaction
- Topics
- Social Sciences › General Social Sciences › Information Society and Technology Trends
- Physical Sciences › Computer Science › Computer Science Applications › History of Computing Technologies
- Physical Sciences › Engineering › Control and Systems Engineering › Robotics and Automated Systems
- Keywords
- ubiquitous computing, computer hardware, computer software, wireless communication, infrared communication, future of computing
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review